10-day forecast for Westby, MT: 31° to 58°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
58°
Best day: Sunday, November 15
38° · 0.8 in
Worst day: Wednesday, November 18
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 1045° / 32°0.07
Morning37°feels 33°
Afternoon45°feels 45°
Evening39°feels 39°
Overnight32°feels 32°
45 °
Westby, Tuesday, 10 November
Light rain. High 45°, low 32°.
Pressure30.00 inHg
Wind2 mph W
Humidity88%
Visibility3.9 mi
Dew point39°
Wed, 1145° / 31°0
Morning33°feels 28°
Afternoon45°feels 43°
Evening37°feels 31°
Overnight32°feels 27°
45 °
Westby, Wednesday, 11 November
Partly cloudy. High 45°, low 31°.
Pressure30.15 inHg
Wind2.6 mph E
Humidity77%
Visibility6.2 mi
Dew point36°
Thu, 1246° / 35°0
Morning37°feels 29°
Afternoon46°feels 41°
Evening37°feels 30°
Overnight37°feels 31°
46 °
Westby, Thursday, 12 November
Overcast. High 46°, low 35°.
Pressure30.12 inHg
Wind12.6 mph SE
Humidity76%
Visibility6.2 mi
Dew point36°
Fri, 1345° / 33°0
Morning36°feels 28°
Afternoon42°feels 35°
Evening40°feels 31°
Overnight34°feels 27°
45 °
Westby, Friday, 13 November
Overcast. High 45°, low 33°.
Pressure29.91 inHg
Wind14.6 mph SE
Humidity77%
Visibility—
Dew point34°
Sat, 1447° / 34°0
Morning36°feels 28°
Afternoon43°feels 36°
Evening43°feels 38°
Overnight42°feels 38°
47 °
Westby, Saturday, 14 November
Overcast. High 47°, low 34°.
Pressure29.65 inHg
Wind15.5 mph SE
Humidity73%
Visibility—
Dew point33°
Sun, 1558° / 44°0
Morning47°feels 44°
Afternoon53°feels 50°
Evening50°feels 47°
Overnight48°feels 46°
58 °
Westby, Sunday, 15 November
Overcast. High 58°, low 44°.
Pressure29.68 inHg
Wind11.1 mph S
Humidity41%
Visibility—
Dew point29°
Mon, 1655° / 42°0.02
Morning50°feels 48°
Afternoon54°feels 51°
Evening49°feels 45°
Overnight44°feels 39°
55 °
Westby, Monday, 16 November
Light rain. High 55°, low 42°.
Pressure29.71 inHg
Wind9.5 mph W
Humidity39%
Visibility—
Dew point29°
Tue, 1748° / 36°0
Morning39°feels 34°
Afternoon44°feels 41°
Evening41°feels 38°
Overnight37°feels 36°
48 °
Westby, Tuesday, 17 November
Clear. High 48°, low 36°.
Pressure30.15 inHg
Wind10.4 mph W
Humidity42%
Visibility—
Dew point22°
Wed, 1838° / 33°0.8
Morning38°feels 32°
Afternoon37°feels 29°
Evening33°feels 23°
Overnight34°feels 25°
38 °
Westby, Wednesday, 18 November
Snow. High 38°, low 33°.
Pressure30.06 inHg
Wind16 mph NE
Humidity91%
Visibility—
Dew point36°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Westby, MT around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.